Cleaning brush

ABSTRACT

The present invention is to provide a cleaning brush comprising a handle, a movable seat and bristles. The handle has a guiding rail at center along the elongated direction thereof, a guiding slot, a button opening communicated with the guiding slot and two locking portions at opposite ends of the guiding slot respectively. The movable seat mounts the bristles at an end thereof and disposes an upper arm and a lower arm at the other end thereof. A driving button is disposed on the upper arm and has two locking members thereon. The movable seat is inserted into the guiding rail of the handle and the driving button is extended out of the handle via the button opening so that the movable seat can slide freely along the guiding rail of the handle within the guiding slot and the locking members of the movable seat is engaged with the locking portions of the handle when the driving button is moved to the opposite ends of the guiding slot respectively to lock the movable seat.

FIELD OF THE INVENTION

[0001] The present invention relates generally to a cleaning tool, andmore particular to a cleaning brush.

BACKGROUND OF THE INVENTION

[0002]FIG. 1 shows a conventional cleaning brush 1 which is a portablebrush for brushing dust from small goods. The cleaning brush 1 has ahandle 2, a movable seat 3 and bristles 4. The movable seat 3 isslidably received in the handle 2 and the bristles 4 are mounted at thefront end of the movable seat 2. A pushing button 5 is extending fromthe movable seat and slidably disposed on the handle 2 for driving themovable seat 3 to slide. User can push the pushing button 5 forwards tomake the bristles 4 run out of the handle 2 and user can push thepushing button 5 backwards to make the bristles 4 received in the handle2.

[0003] The conventional cleaning brush 1 did not provide any mechanismto lock the movable seat 2 when the bristles 4 are pushed out of and aredrawn back into the handle 2, such that the bristles 4 is easy to bepushed back into the handle 2 when brushing something. The bristles 4also will slide out when user carrying the cleaning brush 1.Furthermore, user is hard to hold the handle 2 of the conventionalcleaning brush 1 stably when cleaning something.

[0004] Summary of the Invention

[0005] The primary objective of the invention is to provide a cleaningbrush, which can overcome the drawbacks as described above.

[0006] According to the objective of the invention, a cleaning brushcomprises a handle, a movable seat and bristles. The handle has aguiding rail at center along the elongated direction thereof, a guidingslot, a button opening communicated with the guiding slot and twolocking portions at opposite ends of the guiding slot respectively. Themovable seat mounts the bristles at an end thereof and disposes an upperarm and a lower arm at the other end thereof. A driving button isdisposed on the upper arm and has two locking members thereon. Themovable seat is inserted into the guiding rail of the handle and thedriving button is extended out of the handle via the button opening sothat the movable seat can slide freely along the guiding rail of thehandle within the guiding slot and the locking members of the movableseat is respectively engaged with the locking portions of the handlewhen the driving button moved to the respective end of the guiding slot.

BRIEF DESCRIPTION OF THE DRAWINGS

[0007]FIG. 1 is a perspective view of a conventional cleaning brush;

[0008]FIG. 2 is an exploded view of a preferred embodiment of thepresent invention;

[0009]FIG. 3 is a top view of the preferred embodiment of the presentinvention, showing the bristles being received in the handle;

[0010]FIG. 4 is a top view following FIG. 3, showing the bristles beinggoing to be pushed out of the handle, and

[0011]FIG. 5 is a top view following FIG. 4, showing the bristles beingfully pushed out of the handle.

DETAIL DESCRIPTION OF THE INVENTION

[0012] Please refer to FIG. 2, the prefer embodiment of the presentinvention provides a cleansing brush 10, which mainly comprises a handle20, a movable seat 30 and bristles 40.

[0013] The handle 10 is a tube element having a water-drop shape incross section thereof. The handle 10 has an guiding rail 21 at centeralong the elongated direction thereof, ribs 22 on the outer surfacealong the elongated direction thereof for user can hold the handlestably, a guiding slot 23 along the elongated direction thereof, abutton opening 24 at midsection of the guiding slot 23 and two lockingportions 231 at opposite ends of the guiding slot 23 respectively. Thebutton opening 24 is constructed from a larger opening and a smalleropening communicated with each other.

[0014] The movable seat 30 mounts the bristles 40 at an end thereof andis provided with an upper guiding arm 31 and a lower guiding arm 32 atthe other end thereof. A driving button 33 is disposed on the upperguiding arm 31 of the movable seat 30. The driving button 33 has a headportion 332 at top end thereof and two locking members 331, which aretwo parallel ribs, under the head portion 332. The head portion 332 isconstructed from two round blocks corresponding to shape of the buttonopening 24 of the handle 20.

[0015] The movable seat 30 is inserted into the guiding rail 21 of thehandle 20 by the end having the upper guiding arm 31 and the lowerguiding arm 32. The head portion 332 of the driving button 33 isextended out of the handle 20 via the button opening 24 to make themovable seat 30 can slide along the guiding rail 21 within the extensionof the guiding slot 23 and will not escape from the handle 20. User canoperate the head portion 332 of the driving button 33 to move themovable seat 30.

[0016] The bristles 40 are constructed from hard bristles 41 and softbristle 42 to make the cleaning brush 10 of the present invention canclean any smaller corner.

[0017]FIG. 3 shows the movable seat 30 is driven to move to the rear endof the guiding slot 23, the bristles 40 are totally received in thehandle 20 and the locking member 331 at the rear side of the drivingbutton 33 interferes with the locking portion 231 at rear end of theguiding slot 23 to lock the movable seat 30 at a unused position. Next,please refer to FIG. 4, user can exert the head portion 332 of thedriving button 33 to drive the movable seat 30 to slide forwards to makethe bristles 40 running out of the handle 20. When the driving button 33of the movable seat 30 is moved to the front end of the guiding slot 23,please refer to FIG. 5, the bristles 40 will totally run out of thehandle 20 and the locking member 331 at the front side of the drivingbutton 33 is sunk into the locking portion 231 at front end of theguiding slot 23 to lock the movable seat 30 at an used position.

[0018] The advantages of the present invention are that the movable 30can be locked both at the used position and the unused position for thebristles 40 will be fixed when they are pushed out of the handle 20 toclean something and received in the handle 20 and the handle 20 is acolumn with a water-drop shape in cross section and has the ribs 22thereon, which meets the ergonomic opinion to make user can hold itstably.

What is claimed is:
 1. A cleaning brush, comprising: a handle having aguiding rail at center along the elongated direction thereof, a guidingslot, a button opening communicated with said guiding slot and twolocking portions at opposite ends of said guiding slot respectively; amovable seat having an upper arm and a lower arm at an end thereof and adriving button on said upper arm; said driving button having two lockingmembers thereon; said movable seat inserted into said guiding rail ofsaid handle, said driving button being extended out of said handle viasaid button opening so that said movable seat can slide freely alongsaid guiding rail of said handle within the guiding slot and saidlocking members of said movable seat is respective engaged with saidlocking portions of said handle when said driving button is moved to therespective end of said guiding slot; and bristles mounted on saidmovable seat at the other end thereof to move with said movable seat. 2.The cleaning brush as defined in claim 1, wherein said bristles havehard bristles and soft bristle.
 3. The cleaning brush as defined inclaim 1, wherein said handle has a water-drop shape in cross section. 4.The cleaning brush as defined in claim 1, wherein said handle isprovided with ribs at out surface thereof.
 5. The cleaning brush asdefined in claim 1, wherein said button opening of said handle isconstructed from two openings communicated with each other and saiddriving button has a shape corresponding to said button opening.